123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/*
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* Copyright 2013 Daniel Warner <contact@danrw.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "Util.h"
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#include <string>
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#include <sstream>
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#include <iomanip>
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namespace libsgp4
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{
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/**
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* @brief Stores a topocentric location (azimuth, elevation, range and range
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* rate).
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*
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* Azimuth and elevation are stored in radians. Range in kilometres. Range
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* rate in kilometres/second.
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*/
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struct CoordTopocentric
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{
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public:
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/**
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* Default constructor
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*/
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CoordTopocentric() = default;
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/**
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* Constructor
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* @param[in] az azimuth in radians
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* @param[in] el elevation in radians
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* @param[in] rnge range in kilometers
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* @param[in] rnge_rate range rate in kilometers per second
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*/
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CoordTopocentric(
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double az,
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double el,
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double rnge,
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double rnge_rate)
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: azimuth(az)
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, elevation(el)
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, range(rnge)
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, range_rate(rnge_rate)
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{
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}
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/**
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* Copy constructor
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* @param[in] topo object to copy from
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*/
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CoordTopocentric(const CoordTopocentric& topo)
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{
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azimuth = topo.azimuth;
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elevation = topo.elevation;
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range = topo.range;
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range_rate = topo.range_rate;
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}
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/**
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* Assignment operator
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* @param[in] topo object to copy from
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*/
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CoordTopocentric& operator=(const CoordTopocentric& topo)
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{
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if (this != &topo)
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{
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azimuth = topo.azimuth;
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elevation = topo.elevation;
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range = topo.range;
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range_rate = topo.range_rate;
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}
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return *this;
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}
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/**
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* Dump this object to a string
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* @returns string
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*/
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std::string ToString() const
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{
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std::stringstream ss;
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ss << std::right << std::fixed << std::setprecision(3);
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ss << "Az: " << std::setw(8) << Util::RadiansToDegrees(azimuth);
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ss << ", El: " << std::setw(8) << Util::RadiansToDegrees(elevation);
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ss << ", Rng: " << std::setw(10) << range;
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ss << ", Rng Rt: " << std::setw(7) << range_rate;
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return ss.str();
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}
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/** azimuth in radians */
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double azimuth{};
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/** elevations in radians */
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double elevation{};
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/** range in kilometers */
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double range{};
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/** range rate in kilometers per second */
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double range_rate{};
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};
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inline std::ostream& operator<<(std::ostream& strm, const CoordTopocentric& t)
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{
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return strm << t.ToString();
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}
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} // namespace libsgp4
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